Unexpected positive culture (UPC) in adults revision spine surgery: a systematic review and meta-analysis of incidence, risk factors, and management. - Mirghaderi P; Gholamshahi H; Jahromi A; Iranmehr A; Dabbagh-Ohadi MA; Eshraghi N (European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society, 2024)